15391020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{256517}}^1$

素因数の和:256529

約数の個数: 24

約数和(自身を含む): 43095024

約数和(自身を除く): 27704004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 256517, 513034, 769551, 1026068, 1282585, 1539102, 2565170, 3078204, 3847755, 5130340, 7695510, 15391020]

約数ペア:

[(1, 15391020), (2, 7695510), (3, 5130340), (4, 3847755), (5, 3078204), (6, 2565170), (10, 1539102), (12, 1282585), (15, 1026068), (20, 769551), (30, 513034), (60, 256517)]